Philosophy of Time, Personal Identity, Freedom of the Will, Death and the Meaning of Life

Aesthetics, Philosophy of Film, Philosophy of Literature

Political Theory, Posthumanism, Bioethics

PublicationsThe Death of Nietzsche's Zarathustra (Cambridge University Press, 2010)

Translation in progress (with David F. Tinsley) of Nietzsche's Thus Spoke Zarathustra and Unpublished Fragments from the Period of Thus Spoke Zarathustra (Vols 7, 14, 15 of The Complete Works of Friedrich Nietzsche, Stanford University Press)